William wallace



W.. WALLACE.'

Y CHAIN. n

N0..6I,'77'7. Patented Feb. 5, 1867.

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IMPROVEMENT IN CHAINS.

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TO ALL WHOM IT MAY CONCERN: p

Be it -knowu that. I, WILLIAM WALLAomof Artsonia, New Hai-ven county, inthe State oi- Connecticut, have invented a new kind of Chain; and I dohereby declare that the following is a full and exact descriptionthereof, reference being` had to the accompanying drawings,'making partof this application.

My invention relates to a new method of forming a, chain, or ornamentalmetallic guard: Previous to my invention, as I am aware, a great varietyof chains have been made by uniting in innitelydili'ercnt ways vuriouslyshaped pieces. My invention consists in a chain formed of hollowspheres, linked together by means of small bars, having their heds (orenlarged ends) retained within thc said hollow spheres, all as will'behereinafter more fully explained. A

To enable those skilled in the art to make' and use my invention, I willproceed to describeit more fully, referring by letters to theaccompanying drawings, in which- Figure 1 illustrates apiece of my lnewkind of chain, (a portion being shoiin in section to show the shape ofthe pieces better.)

Figure 2 represents the shape of the parte out of which the chain ismade before they are put together.

The shape and nature of the parts or, pieces of which the chain isformed (or manufacturcd.l as seen at A a a, iig.42, explain themselves,and consist sxniply'of double-headed rivets or bars, a a", and shorttubes, A', formed of brass, or any other metal, or suitable material. Toput the parts together, or link them, to fox-inthe chain, one of thetubes A has inserted into each end, while in a suitable die, onc ofthebars d a2, as seen at rig. 2. The tube Af is then subjected to theactionof dies, by which its endsai'c closed over, and it is made toassume the sha-pe seen at iig. l, and embrace one of the heads of eachof the bars a a2. Another tube is then connected to the other head ofbar a2 and one head of another bar, and so on; a chain is formed by thusconnecting the tubes and double-headed pieces by thus forming the ballsover the heads of the bars. Of course machinery may be devsedandemployed -Whichvvill automatically perform the operation of shaping upor forming the tubes over the bur-heads; but in my present application Ineed only explain somo method by which they can he united. I have shownthe tubes or bulls as being shaped up into a spherical form, but, ofcourse, they may be vnriedsomewhat from that shape without departingfrom my invention, the gist of which rests in the idea of forming thechain by means yof pressing or otherwise bending or forming the ends ofshort tubes over the enlarged ends or heads of double-headedbnrs orrivets, substantially as set forth.

It will be seen that my invention may be employed in the manufacture ofany size chain, and may be made very strong, though I atpresentcontemplate its use mainly in the manufacture of ornamental chainwork and for chandelier chains, watch chains, Etc., lac. v

Having explained my invention, so that those skilled in the art can makeund use it, what Ivclaiin' as new, and desire to secure byiLcttersPatent, is-' A chain formed by uniting hollow balls and double-headedbars, substantially in the manner hcrcinbcfore described. V

In witness whereof I have hereunto set my hand this 10th day of August,1866.

` WILLIAM WALLACE.

Witnesses:

J. N. McINrmn, Crus. SPEEP..

